Step cover



FIG. 1 is a right perspective view of the step cover;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a front view thereof. 

CLAIM What is claimed is the ornamental design for a step cover, as shown. 